| 年度 | 实际值 |
|---|---|
| 1992 | 9540 |
| 1993 | 10254 |
| 1994 | 11194 |
| 1995 | 14919 |
| 1996 | 12500 |
| 1997 | 12933 |
| 1998 | 17024 |
| 1999 | 17038 |
| 2000 | 21791 |
| 2001 | 29068 |
| 2002 | 27515 |
| 2003 | 30553 |
| 2004 | 35570 |
| 2005 | 37636 |
| 2006 | 39294 |
| 2007 | 40757.9 |
| 2008 | 42484.21 |
| 2009 | |
| 2010 | 26971.44 |
| 2011 | 29184 |
| 2012 | 29246 |
| 2013 | 31318 |
| 2014 | 26061 |